Housing and tracking wheel for a precision measuring pen



FIG. 1 is a perspective view of a design for a precision measuring penshowing my design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left or right elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a design for a tracking wheel engaged inthe housing thereof;

FIG. 8 is a left or right elevation view of the tracking view of FIG. 7;and,

FIG. 9 is a front or rear elevation view of the tracking wheel of FIG.7.

The broken lines shown in FIGS. 1, 2, 3, 4, 5, 6 and 7 are forillustrative purposes only and form no part of the claimed design.

The characteristic feature of the present design provides for a trackingwheel with two rubber rings on an outer periphery of the tracking wheelwith the tracking wheel being rotatably mounted at the lower end of thehousing which is substantially cylindrical.

The ornamental design for a housing and tracking wheel for a precisionmeasuring pen, as shown and described.